Replacing Vacuum Hose for Brake Booster
34 33 071 - Replacing vacuum hose for brake booster (N62)
Necessary preliminary tasks:
- Read and comply with General Information Service and Repair.
- Remove lower section of microfilter housing Removing and Installing/Replacing Left or Right Microfilter Housing Lower Section.
- Remove acoustic cover.
- Remove intake filter housing Service and Repair.
- Remove air intake hose with air-mass sensor.
Important!
Before starting work, press the brake pedal to the floor several times to reduce the vacuum pressure in the brake booster. This makes it easier to remove the PA pipe.
Non-return valve and PA pipe are welded together and are replaced together as a single unit.
Detach non-return valve (1) from brake booster.
Unclip vacuum line from fixture (1).
Unfasten hose clip (2).
Installation:
Replace hose clip.
Release retaining clips (1) and feed out vacuum line (2).